Updated dependencies

package.json

@@ -35,11 +35,11 @@
     "compute-mode": "^1.0.0",
     "concat-stream": "^1.4.7",
     "convert-hrtime": "^2.0.0",
-    "coveralls": "^2.11.6",
+    "coveralls": "^3.0.0",
     "duplexify": "^3.5.1",
     "faucet": "0.0.1",
     "istanbul": "^0.4.1",
-    "mqtt": "^2.12.0",
+    "mqtt": "^2.13.0",
     "mqtt-connection": "^3.0.0",
     "pre-commit": "^1.0.10",
     "standard": "^10.0.3",
@@ -58,8 +58,8 @@
     "mqemitter": "^2.2.0",
     "mqtt-packet": "^5.4.0",
     "pump": "^1.0.0",
-    "retimer": "^1.0.0",
-    "reusify": "^1.0.2",
+    "retimer": "^1.1.0",
+    "reusify": "^1.0.3",
     "safe-buffer": "^5.1.1",
     "shortid": "^2.1.3",
     "through2": "^2.0.0",